background image

MICROFILM

SERVICE MANUAL

Australian Model

SLV-EZ8AS/EZ9AS

E Model

SLV-ED8ML

ME Model

SLV-ED8ME

NewZealand Model

SLV-EZ8NZ

RMT-V243/V245

VIDEO CASSETTE RECORDER

SLV-ED8ME/ED8ML/EZ8AS/

EZ8NZ/EZ9AS

G

• Refer to the SERVICE MANUAL of VHS MECHANICAL

ADJUSTMENTS 

VI

 for MECHANICAL ADJUSTMENTS.

(9-921-647-11)

* The abbreviations of ED8, EZ8 and EZ9 contained in this service manual are

indicated when these models are common to all their corresponding models
as given below.

Photo: SLV-ED8ML

S  MECHANISM

ED8ME
ED8ML

ED8

Abbreviated
model name

All model

names

SLV-

EZ8AS
EZ8NZ

EZ8

EZ9AS

EZ9

System

Color system

ED8:

PAL, MESECAM, NTSC 3.58,
NTSC 4.43

EZ8/EZ9:

PAL, NTSC 4.43

TV system

ED8:

B/G, D/K, I

EZ8/EZ9

B/G

Channel coverage

ED8:

B/G: VHF E2 to E12/UHF E21 to E69/
CATV S01 to S05, S1 to S41
D/K: VHF R1 to R12, UHF R21 to R69
I: VHF SA4 to SA13/UHF B21 to B69/
CATV S01 to S05, S1 to S41
M: VHF A2 to A13/UHF A14 to A69/
CATV A-8 to A1, A to W, W+1 to W+84

EZ8AS/EZ9AS:

VHF AS0 to AS12, AS5A, AS9A
UHF AS28 to AS69
CATV S01 to S05, S1 to S41

SPECIFICATIONS

EZ8NZ:

VHF NZ1 to NZ11
UHF E21 to E69
CATV S01 to S05, S1 to S41

Stereo system

ED8/EZ8NZ:
NICAM STEREO: B/G, I
ZWEITON German stereo: B/G
ED8AS/EZ9AS:
ZWEITON German stereo: B/G

RF output signal

ED8/EZ8NZ:
UHF channels 21 to 69
EZ8AS/EZ9AS:
UHF channels 28 to 69

Aerial out

75-ohm asymmetrical aerial socket

Inputs and outputs

LINE-1, 2-IN

VIDEO IN, phono jack (1)
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN, phono jack (2)
Input level: 327 mVrms
Input impedance: more than 47 kilohms

LINE-3 IN (SAT IN) (ED8, EZ9)

VIDEO IN, phono jack (1)
Input signal: 1Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN, phono jack (2)
Input level: 327mVrms
Input impedance: more than 47 kilohms

– Continued on next page –

Summary of Contents for RMT-V243

Page 1: ...S05 S1 to S41 D K VHF R1 to R12 UHF R21 to R69 I VHF SA4 to SA13 UHF B21 to B69 CATV S01 to S05 S1 to S41 M VHF A2 to A13 UHF A14 to A69 CATV A 8 to A1 A to W W 1 to W 84 EZ8AS EZ9AS VHF AS0 to AS12 AS5A AS9A UHF AS28 to AS69 CATV S01 to S05 S1 to S41 SPECIFICATIONS EZ8NZ VHF NZ1 to NZ11 UHF E21 to E69 CATV S01 to S05 S1 to S41 Stereo system ED8 EZ8NZ NICAM STEREO B G I ZWEITON German stereo B G E...

Page 2: ...IDEO OUT phono jack 1 Output signal 1 Vp p 75 ohms unbal anced sync negative AUDIO OUT phono jack 2 Standard output 327 mVrms Load impedance 47 kilohms Output impedance less than 10 kilohms LINE 2 OUT AUDIO AUDIO OUT phono jack 2 Standard output 327 mVrms Load impedance 47 kilohms Output impedance less than 10 kilohms SKY TV DECODER EZ8NZ VIDEO IN phono jack 1 Input signal 1 Vp p 75 ohms unbalance...

Page 3: ...ing Board 4 45 SR 718 Schematic Diagram 4 47 5 INTERFACE IC PIN FUNCTION DESCRIPTION 5 1 System Control Video Block Interface MA 325 board IC161 5 1 5 2 System Control Servo Peripheral Circuit Interface MA 325 board IC161 5 1 5 3 System Control Mechanism Interface MA 325 board IC161 5 2 5 4 System Control System Control Peripheral Circuit Interface MA 325 board IC161 5 3 5 5 System Control Hi Fi A...

Page 4: ...e 13 Drum Ass y Page 13 RJ 79 Board Page 2 1 Mechanism Deck Page 2 2 FR 137 Board Page 2 2 FL complete Ass y Page 13 FL Slider Block Ass y Page 22 DM 77 Board Page 2 2 SW 307 Board EZ9 Page 2 2 Rubber Belt Page 15 IO 64 Board Page 2 2 Retainer Plate Page 22 Rubber Belt Page 15 Capstan Motor Page 15 Control Switch Block EZ9 Page 2 2 Rotary Switch Page 2 2 Tuner Unit Pully Gear Ass y Page 29 Cam Gea...

Page 5: ...1 1 SECTION 1 GENERAL This section is extracted from SLV ED8ME ML instruction manual SLV ED8 EZ8 EZ9 ...

Page 6: ...1 2 ...

Page 7: ...1 3 ...

Page 8: ...1 4 ...

Page 9: ...1 5 ...

Page 10: ...1 6 ...

Page 11: ...1 7 ...

Page 12: ...1 8 ...

Page 13: ...1 9 ...

Page 14: ...1 10 ...

Page 15: ...1 11 ...

Page 16: ...1 12 ...

Page 17: ...1 13 ...

Page 18: ...1 14 ...

Page 19: ...1 15 ...

Page 20: ...1 16 ...

Page 21: ...1 17 1 17 E ...

Page 22: ... DISASSEMBLY SLV ED8 EZ8 EZ9 1 Two tapping screws 2 Two tapping screws 3 Upper case 5 NK 11 board ED8 EZ8NZ 1 Two connectors CN951 952 4 Connector CN751 3 RJ 79 board 2 Four screws BVTP3 12 3 Harness 5 Two claws 4 Three claws 6 Claw 7 Claw 8 Rear panel 2 Connector CN361 1 Two connectors CN101 901 1 Connector CN423 2 Flat cable CN105 3 Two claws 4 Claw 5 Three claws 6 Front panel section ...

Page 23: ... 8 2 Screw B2 6 8 4 FR 137 board SW 307 board 0 Two screws B2 6 8 5 Control switch block 2 Damper holder 4 Fulcrum plate right assembly 1 Two screws B2 6 8 3 Screw B2 6 8 8 IO 64 board 4 Flexible board CN451 2 Four screws B2 6 8 1 Nine screws B2 6 8 3 FR 137 board 5 Connector CN307 6 DM 77 board 7 Screw B2 6 8 1 Flexible board 5 Screw BVTP3 12 4 Screw B3 6 Two screws BVTP3 12 7 Mechanism deck 3 Co...

Page 24: ...2 3 2 9 POWER BLOCK REMOVAL 2 10 PS 414 MA 325 BOARD REMOVAL 1 Power cord 3 Power block 2 Two screws B3 6 MA 325 board 3 PS 414 board 2 Three screws B3 4 Screw B3 1 Connector CN162 5 Three screws B3 ...

Page 25: ... RP 8 839 045 02 Q100 Tape end sensor 8 729 043 84 D102 Tape top end LED 8 719 048 26 M903 Cam motor assembly X 3947 577 1 Q101 Tape top sensor 8 729 043 84 FE head 1 500 144 11 Drum assembly M901 DZH 95A Z RP 8 839 045 02 M902 Capstan motor 1 698 971 11 ...

Page 26: ... 325 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER DM 77 MODE CONTROL PS414 POWER SUPPLY SW 307 EZ9 POWER SWITCH NK 11 ED8 EZ8NZ NICAM RJ 79 ADDITIONAL REAR IN OUT FR 137 FL DRIVE MODE CONTROL POWER BLOCK SR 718 SWITCHING REGULATOR IO 64 FRONT IN ...

Page 27: ...TU701 ED8 TU702 EZ8 EZ9 EZ8NZ Q901 MUTE Q750 Q753 MOD V LINE OUT L LINE OUT R MA 325 BOARD SEE PAGE 4 5 4 27 IIC CLK IIC DATA QVD NT JUDGE MESECAM DET TV VIDEO VIDEO OUT OSD V CGV HDET CG CS SCK SI TV VIDEO DEC IN INSEL 1 L3 IN V TV VTR VIDEO MOD A AUDIO SDA0 SCL0 PLL DATA PLL CLK PL ENABLE AFT SAP FMONO MUTE Q751 Q753 TA MUTE L OUT R OUT EZ8AS EZ9 NICAM PROCESSOR IC301 IC303 IC302 IC400 POWER L O...

Page 28: ... 5 SEE PAGE 4 11 CN501 REC CURR REC RF REC SWP CHECK VIDEO HEAD SP CH1 SP CH2 EP CH2 EP CH1 SW2 SW1 SW9 SW5 REC REC VCA PB PB PB PB VIDEO REC PB AMP SW6 SW10 SW4 SW8 SW3 SW7 Q501 C ROT COMP SYNC PB RF REC RF C ROT COMP SYNC PB ENV SCK1 SSB SO1 SSB RF SWP SCK1 SSB SO1 SSB RF SWP SYSTEM CONTROL SEE PAGE 3 8 VIDEO 2 SEE PAGE 3 5 05 IC501 REC PB 5 1Vp p 2V 2 5Vp p H IC501 REC PB IC501 REC PB 4 6Vp p 2...

Page 29: ...YNC SEP FBC 34 35 VIDEO AGC Y C MIX FM MOD REC EQ BUFFER IC202 CCD DELAY IC401 OSD 17 14 16 15 20 18 66 28 30 32 ACC AMP BPF2 MAIN CONV Q203 S N Q208 Q204 Q201 X202 3 58MHz X201 4 43MHz COMB CTH R P S N R P R P PB RF REC RF C ROT COMP SYNC VIDEO 1 SEE PAGE 3 4 Q202 C ROT IC201 1 2 Y C PROCESS P R P R NT Q211 Q210 Q205 Q209 Q206 P R R P 2 3 X401 17 734475MHz 5 6 X402 14 31818MHz 15 28 27 Q403 404 B...

Page 30: ... CTL CHECK S101 REC PRF X161 16MHz CTL HEAD CTL X CTL Y M CAM CAM MODE SWITCH 10 2 3 IN2 IN1 4 MECHA POSITION S100 CAM ENCODER M903 CAM MOTOR 81 SCK I SSB SCKI 80 SO I SSB SOI 46 SI 0 SO 44 ASURA CS 40 ASURA RESET SCLK SD 0 1 RF SWP RE SWP 45 SI SI 47 SCLK S CLK 13 NT JUDGE NT JUDGE 14 MESECAM DET MESECAM DET 66 COMP SYNC V SYNC 4 QVD QVD 93 SI TU SEL IN SELI 30 V CLK IIC SCL 0 I2C 28 VS DATA IIC ...

Page 31: ...MONO AUDIO HEAD AUDIO ERASE HEAD FULL ERASE HEAD Hi Hi AUDIO HEAD CH 1 CH 2 IC071 AUDIO REC PB AMP IC340 Hi Fi AUDIO PROCESS IC360 BUFFER IC901 3 1 5 7 BUFFER IC961 NORMAL AUDIO PROCESS IC201 2 2 T081 Q081 T091 Q091 Q092 Q301 A H SW CN302 FULL ERASE 2 3 REC EP LP PB EP PB ON PB PB PB REC REC 1 2 39 40 41 42 INPUT SELECT OUTPUT SELECT NORMAL SELECT MOD AUDIO TUNER M TUNER L TUNER R A MUTE FULL ERAS...

Page 32: ...2 AFT MOD V VIDEO MOD A AUDIO SIF SDA SCL PLL CLK PLL DATA PLL ENB SW AFT VIDEO IN VIDEO OUT AUDIO IN AUDIO OUT SIF TU701 AERIAL EZ8 EZ9 IN OUT TU702 SDA0 SCL0 PLL CLK PLL DATA PLL ENABLE SW1 SW2 ED8 AFT TA MUTE MOD V TU VIDEO MOD AUDIO TUNER M TUNER L TUNER R MODE CONTROL SEE PAGE 3 14 VIDEO 2 SEE PAGE 3 5 6 AUDIO SEE PAGE 3 10 IC750 MPX PROCESSOR IC1 NICAM PROCESSOR SDA SCL L OUT R OUT SIF SDAT ...

Page 33: ...9 DMS 1 LED CS A D 1 DMS 2 A D 0 DMS 1 DMS 2 A D 0 A D 1 LED CS 5 4 6 7 2 3 4 2 1 6 S309 EJECT EZ9 ED8 EZ8 ED8 EZ8 ED8 EZ8 ED8 EZ8 74 73 EXTAL XTAL 32 31 BUZZER 7 12 ı 27 4 ı 9 G1 ı G6 GRID1 ı GRID6 SEG1 ı SEG16 P1 ı P16 44 ı 59 66 ı 71 7 2 POWER FAIL OUT 1 8 34 RST 22 A D 6 23 A D 7 OUT 2 6 SDA 5 SCL 6 S301 PROGRAM SP LP EP S306 S302 PROGRAM S303 EASY TIMER S304 COLOR SYSTEM S305 ONE TOUCH TUNING...

Page 34: ...D6V F 18 2 1 5 3 5V REG Q701 MPX PROCESSOR IC750 NICAM PROCESSOR IC1 BUFFER IC702 AMP IC101 BUFFER DRUM MOTOR CAPSTAN MOTOR CAM MOTOR BUFFER IC901 HIFI PROCESSOR CAM MOTOR DRIVER IC360 FULL ERASE OSC T091 Q091 Q092 D130 D103 IC130 SERVO SYSTEM CONTROL IC161 D161 D400 D318 D308 D309 Q400 LED DRIVER Q300 IC400 3 5 DM 77 BOARD SEE PAGE 4 35 LED DRIVER REMOTE CONTROL RECEIVER D459 Q450 CN453 CN452 D5V...

Page 35: ...SLV ED8 EZ8 EZ9 4 3 4 4 4 1 FRAME SCHEMATIC DIAGRAM FRAME ...

Page 36: ...EMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series 4 5 4 6 HEAD AMP MA 325 1 9 Waveforms 1 IC501 4 REC 2 IC501 REC 3 IC501 PB 4 IC501 REC PB 3 4 Vp p H 88 mVp p H 640 mVp p H 4 6 Vp p 2 V 2 5 Vp p H 5 1 Vp p 2 V 5 IC501 REC PB 6 IC501 REC PB ...

Page 37: ...I O SERVO SYSTEM CONTROL TUNER PRINTED WIRING BOARD Ref No MA 325 board 2 000 series VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER MA 325 4 10 MA 325 BOARD 1 670 919 12 A B 1 05 C D E F G H I J 2 3 4 5 6 7 8 9 10 11 12 13 R L VIDEO AUDIO LINE 1 IN OUT AERIAL IN OUT NTSC PB ON PAL TV NTSC 4 43 NTSC 3 58 CN101 JW254 D903 JS903 JW147 ...

Page 38: ...SLV ED8 EZ8 EZ9 MA 325 VIDEO AUDIO SCHEMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series VIDEO AUDIO MA 325 2 9 4 11 4 12 ...

Page 39: ...C PB 6 IC201 REC PB IC202 REC PB IC202 7 REC PB IC201 º REC PB 340 mVp p H 576 mVp p H 310 mVp p H 528 mVp p H 4 4 Vp p H 2 0 Vp p H REC 330 mVp p H PB 400 mVp p H REC 320 mVp p H PB 270 mVp p H REC 340 mVp p H PB 270 mVp p H 552 mVp p 3 58 MHz NTSC 512 mVp p 4 43 MHz PAL REC 360 mVp p H PB 270 mVp p H REC 320 mVp p H PB 360 mVp p H ...

Page 40: ...4 14 Waveforms 1 IC161 REC PB 2 IC161 ª REC PB 3 IC161 º REC PB 5 IC161 7 REC 6 IC161 REC PB 4 IC161 1 REC PB 5 3 Vp p 2 V 5 0 Vp p 300 Hz 5 1 Vp p 757 6 Hz 5 1 Vp p 2 V 5 0 Vp p 2 V 2 4 Vp p 16 MHz ...

Page 41: ...SLV ED8 EZ8 EZ9 4 15 4 16 SYSTEM CONTROL MA 325 3 9 MA 325 SYSTEM CONTROL SCHEMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series ...

Page 42: ...SLV ED8 EZ8 EZ9 4 17 4 18 SERVO CONTROL MA 325 4 9 MA 325 SERVO CONTROL SCHEMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series ...

Page 43: ...SLV ED8 EZ8 EZ9 MA 325 BIAS CTL SCHEMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series 4 19 4 20 BIAS CTL MA 325 5 9 ...

Page 44: ...SLV ED8 EZ8 EZ9 4 22 4 21 MA 325 Hi Fi AUDIO SCHEMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series Hi Fi AUDIO MA 325 6 9 ...

Page 45: ...r printed wiring board Ref No MA 325 board 2 000 series OSD MA 325 7 9 4 24 Waveforms 1 IC401 REC PB 2 IC401 º REC PB 5 IC401 5 REC PB 3 6 Vp p 13 89 MHz 1 6 Vp p H 3 IC401 REC PB 2 0 Vp p H 4 IC401 7 REC PB 5 2 Vp p 2 V 1 5 Vp p 14 32 MHz 6 IC401 2 REC PB 1 6 Vp p 17 73 MHz ...

Page 46: ...SLV ED8 EZ8 EZ9 I O MA 325 8 9 4 25 4 26 MA 325 I O SCHEMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series ...

Page 47: ...SLV ED8 EZ8 EZ9 4 27 MA 325 TUNER SCHEMATIC DIAGRAM See page 4 9 to 4 10 for printed wiring board Ref No MA 325 board 2 000 series TUNER MA 325 9 9 4 28 DE EMPHASIS PAL NTSC 5V GND GND GND ...

Page 48: ... are few cases that the part isn t mounted in this model is printed on this diagram IO 64 FRONT IN PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM Ref No IO 64 board 1 000 series IO 64 BOARD 05 VIDEO LINE 2 IN L R AUDIO 1 670 923 12 12 JS492 JS493 ...

Page 49: ...79 RJ 79 BOARD CN951 A 5 CN952 A 1 D951 B 3 D952 A 2 IC961 A 2 MA 325 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER DM 77 MODE CONTROL PS414 POWER SUPPLY SW 307 EZ9 POWER SWITCH NK 11 ED8 EZ8NZ NICAM RJ 79 ADDITIONAL REAR IN OUT FR 137 FL DRIVE MODE CONTROL POWER BLOCK SR 718 SWITCHING REGULATOR IO 64 FRONT IN RJ 79BOARD CNJ952 ED8 EZ9 LINE 3 IN SAT IN VIDEO AUDIO L R LINE 2 OUT CNJ954 EZ8NZ SAT DEC ...

Page 50: ... MHz MA 325 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER DM 77 MODE CONTROL PS414 POWER SUPPLY SW 307 EZ9 POWER SWITCH NK 11 ED8 EZ8NZ NICAM RJ 79 ADDITIONAL REAR IN OUT FR 137 FL DRIVE MODE CONTROL POWER BLOCK SR 718 SWITCHING REGULATOR IO 64 FRONT IN Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified NK 11 BOARD SIDE A 1 ...

Page 51: ...that the part isn t mounted in this model is printed on this diagram DM 77 MODE CONTROL PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM Ref No DM 77 board 1 000 series 4 36 MODE CONTROL DM 77 DM 77 BOARD PAUSE REW REC JOG JOG FF 05 1 670 921 12 12 ...

Page 52: ... D309 A 1 D311 A 5 D318 C 1 D319 A 5 IC301 B 3 IC302 A 5 IC303 A 5 IC304 B 1 Q300 C 1 MA 325 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER DM 77 MODE CONTROL PS414 POWER SUPPLY SW 307 EZ9 POWER SWITCH NK 11 ED8 EZ8NZ NICAM RJ 79 ADDITIONAL REAR IN OUT FR 137 FL DRIVE MODE CONTROL POWER BLOCK SR 718 SWITCHING REGULATOR IO 64 FRONT IN FR 137 BOARD ON STANDBY ON STANDBY ONE TOUCH TUNING SP LP EP PROGRAM...

Page 53: ...9 4 40 MODE CONTROL FR 137 SW 307 FR 137 FL DRIVE MODE CONTROL SW 307 POWER SWITCH SCHEMATIC DIAGRAM Ref No FR 137 board SW 307 board 1 000 series Waveforms 1 IC301 REC PB 2 IC301 REC PB 2 3 Vp p 32 77 kHz 2 0 Vp p 16 MHz ...

Page 54: ...4 MA 325 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER DM 77 MODE CONTROL PS414 POWER SUPPLY SW 307 EZ9 POWER SWITCH NK 11 ED8 EZ8NZ NICAM RJ 79 ADDITIONAL REAR IN OUT FR 137 FL DRIVE MODE CONTROL POWER BLOCK SR 718 SWITCHING REGULATOR IO 64 FRONT IN PS 414 BOARD CN600 B 3 CN601 C 3 D600 A 5 D601 B 5 D602 B 5 IC600 C 4 Q600 B 1 Q601 C 1 Q602 C 5 Q603 B 5 PS 414BOARD 1 670 925 11 11 A B C 1 2 3 4 5 6 ...

Page 55: ...PS 414 POWER SUPPLY SCHEMATIC DIAGRAM Ref No PS 414 board 1 000 series 4 44 POWER SUPPLY PS 414 Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified ...

Page 56: ...R SR 718 SR 718 BOARD CN101 A 2 CN201 C 8 D101 C 3 D102 B 3 D103 B 3 D104 B 3 D105 B 5 D107 C 6 D108 C 4 D201 A 8 D202 A 8 D203 B 8 D204 A 8 D205 B 8 IC101 B 6 IC201 C 7 MA 325 VIDEO AUDIO I O SERVO SYSTEM CONTROL TUNER DM 77 MODE CONTROL PS414 POWER SUPPLY SW 307 EZ9 POWER SWITCH NK 11 ED8 EZ8NZ NICAM RJ 79 ADDITIONAL REAR IN OUT FR 137 FL DRIVE MODE CONTROL POWER BLOCK SR 718 SWITCHING REGULATOR...

Page 57: ...µF C114 0 1µF C109 180µF 400V T101 D205 AU02Z IC101 SWITCH D108 PR1003 D107 PR1003 C111 47µF 35V C115 0 1µF PC101 PC123 R202 470 C206 470µF 16V C209 1000pF 1KV C204 1000µF 10V C205 220µF 16V C207 4 7µF 50V C208 0 1µF L203 10µH D202 RL4Z D203 RK46 D204 RD30FB R207 10 C202 1000µF 16V R201 10 1 2W C203 220µF 16V C201 47µF 63V D201 EG01C L202 10µH 1 2 3 4 5 6 7 8 9 35V 13V 13V GND GND AU GND 6V 6V 13V...

Page 58: ...i Z Hi Z 11 Hi Z Hi Z Hi Z Hi Z Hi Z IC1618 STOP TAPE TAPE PB REC Signal Pin No I O FF THREAD UNTHREAD PB PAUSE SLOW 2 CUE REVIEW REC PAUSE REW ING ING RF SWP MA 325 O 1 1 1 1 1 1 1 1 1 1 1 SW30 IC1611 QVD MA 325 O L L L 2 3 3 3 3 3 L L IC1614 V SYNC MA 325 I 4 4 4 4 4 4 4 4 4 4 4 IC161 NT JUDGE MA 325 O L L L L L L L L L L L IC161 5 1 SYSTEM CONTROL VIDEO BLOCK INTERFACE MA 325 BOARD IC161 1 25 H...

Page 59: ... 3 3 H L IC161 T S LED MA 325 O 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 IC161 O D CAP STOP MA 325 O L L L H H L H H H L 5 H H H H L IC161 O D CAP RVS MA 325 O L H L H L H L H H H 5 H H L H H IC161 T SENS MA 325 I 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 6 IC161 S SENS MA 325 I 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 6 IC161 5 3 SYSTEM CONTROL MECHANISM BLOCK INTERFACE MA 325 BOARD IC161 1 Uncertainly 2 L when erasing protecti...

Page 60: ...er microprocessor V period L pulse IC161 5 4 SYSTEM CONTROL SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE MA 325 BOARD IC161 5 5 SYSTEM CONTROL Hi Fi AUDIO BLOCK INTERFACE MA 325 BOARD IC161 STOP TAPE TAPE PB PB Signal Pin No I O FF LOADING UNLOADING PB PAUSE SLOW 2 CUE REVIEW REC PAUSE REW AU ENV MA 325 I AF RF envelope signal input terminal for automatic tracking IC161 ª A MUTE MA 325 O L L L L H ...

Page 61: ...mputer chip signal 45 S IN I Serial communication signal Data input 46 S OUT O Serial communication signal Data output 47 S CLK O Serial communication signal Serial clock 48 N C Not used 49 N C Not used 50 N C Not used Pin No Pin Name I O Function 51 N C Not used 52 AVSS UNSW Ground 53 AVREF A D port reference input UNSW 5V 54 AVDD UNSW 5V 55 NT PB SW I When NTSC PB mode the color system setting s...

Page 62: ...terminal 16MHz 33 VSS Ground 34 RST I RESET signal input 35 PLL CLK O TUNER PLL clock 36 PLL DATA O TUNER PLL data 37 PLL ENABLE O TUNER chip select 38 SAP DET Not used NTSC model only 39 N C Not used 40 TA MUTE O TUNER audio mute signal output 41 DMS 2 I DMS fowared reverse signal input 42 DMS 1 I DMS fowared reverse signal input 43 VFDP VFDP 44 SEG1 O Segment terminal 1 45 SEG2 O Segment termina...

Page 63: ...og front end circuitry 21 VDDA2 Analog power supply analog front end circuitry 22 TEST1 I Test pin 1 connected to ground for normal operation 23 SIF2 I Sound IF input 2 24 Vref1 I Reference voltage analog front end circuitry 25 SIF1 I Sound IF input 1 26 CRST Capacitor for power on reset 27 VSSD3 Digital supply front end circuitry 28 VDDD3 Digital supply front end circuitry 29 SCL I Serial communi...

Page 64: ...ding end DEW STOP 4 TLOAD Tape loading 5 HCLEAN Tape loading 6 LDEND Tape loading end 7 RVS RVS varying speed play including STILL SLOW 8 PR For FWD FWDP RVS conversion 9 FWDP FWD SLOW FWD STILL A FWD PB FWD varying speed play STOP DRUM ON B STOP STOP DRUM OFF POWER OFF C FR FF REW If the cam encoder alarm occurred when the mechanism was about to move forward and it stopped at NC position Position...

Page 65: ...ng diagram During the adjustment see the Parts Arrangement Diagram for Adjustments on Page 7 6 Fig 7 2 2 2 1 4 Alignment Tapes Alignment Tape KRV 51N2 KRV 51P 2 1 3 Set up of Adjustment In this adjustment PAL or NTSC pattern generator is connected with LINE input signal terminal When check to tuner connected AERIAL terminal Check that the amplitudes of video signal SYNC signal of picture portions ...

Page 66: ...display 3 Using the PROGRAM and buttons adjust to 6 5 0 5 H 4 Press the PAUSE button Fig 7 2 3 Mode E E Measuring Instrument Digital voltmeter 10 V check Measurement Point Pin 9 of CN600 Specified Value 10 3 0 8 V 6 V check Measurement Point Pin 7 8 of CN600 Specified Value 5 9 0 2 V 13 V check Measurement Point Pin 2 3 of CN600 Specified Value 13 3 0 5 V 35 V check Measurement Point Pin 1 of CN60...

Page 67: ... display 4 Using the PROGRAM and buttons minimize a chipped portion At this time confirm that a noisy sound is not heard 5 Press the PAUSE button 6 Press the EJECT button Fig 7 2 5 2 Frequency Responce Check Purpose Confirm that the frequency characteristic is within the specifica tion Mode REC and PB SP EP LP mode Signal 400 Hz 7 5 dBs 20 Hz 7 5 dBs 20 kHz 7 5 dBs Measurement point Audio output t...

Page 68: ...utput Level Check 3 Frequency Responce Check 4 Overall Level Characteristic and Distortion Factor Check 5 Overall S N Check 1 ACE Head Adjustment Refer to the service manual of VHS MECHANICAL ADJUSTMENT VI 2 E E Output Level Check Purpose Confirm that the output level against the reference input is within the specification Mode E E Signal L R 400 Hz 7 5 dBs Measurement point Audio output terminal ...

Page 69: ...N Check Purpose Confirm that the S N is within the specification Mode REC and PB SP mode Signal Short Measurement point Audio output terminal Measurement equipment Audio noise meter Specified value 46 0 dBs or less Confirmation Method 1 Connect both L and R channels of audio line input to the GND 2 Start recording 3 Play the recorded part to confirm that the noise is below 46 0 dBs 2 6 PARTS ARRAN...

Page 70: ...37 BOARD COMPLETE EZ8 13 3 710 901 11 SCREW TAPPING 14 3 977 136 11 CASE UPPER ED8 14 3 977 136 41 CASE UPPER EZ8 15 A 6791 626 A DM 77 BOARD COMPLETE 16 1 762 844 21 SWITCH ROTARY 17 3 979 310 01 RING AV JOG EZ8 17 3 988 327 01 RING M JOG ED8 18 3 979 309 01 BUTTON AV CENTER EZ8 18 3 979 309 11 BUTTON AV CENTER ED8 19 1 475 614 11 COMMANDER STANDARD RMT V245 20 3 709 128 01 COVER BATTERY 1 X 3948...

Page 71: ...RD COMPLETE 61 3 050 306 01 HOLDER JACK 62 3 973 975 31 DAMPER OIL 63 1 783 851 11 CABLE FLAT FFS 6 64 A 6791 655 A SW 307 BOARD COMPLETE 65 A 6791 653 A DM 77 BOARD COMPLETE 66 1 783 850 11 CABLE FLAT FFD 3 67 A 6791 654 A FR 137 BOARD COMPLETE 68 1 783 849 11 CABLE FLAT FMF 30 69 3 710 901 11 SCREW TAPPING 70 3 977 136 41 CASE UPPER 71 1 475 612 11 COMMANDER STANDARD RMT V243 72 3 972 850 01 BUT...

Page 72: ...21 CORD POWER ED8 109 1 777 855 22 CORD POWER EZ8 EZ9 110 3 987 913 42 PLATE REAR JACK B ED8 EZ9 110 3 987 913 52 PLATE REAR JACK B EZ8AS 110 3 987 913 62 PLATE REAR JACK B EZ8NZ 111 3 977 139 81 PANEL REAR 112 A 6791 625 A RJ 79 BOARD COMPLETE ED8 EZ9 112 A 6791 642 A RJ 79 BOARD COMPLETE EZ8AS 112 A 6791 645 A RJ 79 BOARD COMPLETE EZ8NZ 113 1 779 725 11 CONNECTOR BOARD TO BOARD 5P 114 3 682 057 ...

Page 73: ...OPEN TORSION 711 A 6759 615 A PRESS BLOCK ASSY PINCH 712 3 958 455 01 SPRING PINCH TENSION 713 3 977 447 01 GEAR ELEVATOR 714 3 977 514 01 OPENER LID 715 3 977 441 01 GEAR PINCH PRESSING 716 3 977 445 01 GEAR TG8 ARM DRIVING 717 3 977 465 01 SPRING EXTENSION RVS BRAKE 718 X 3947 582 1 ARM ASSY RVS BRAKE 719 3 977 446 01 GEAR TG8 ARM 720 X 3947 590 1 TG8 ASSY 721 A 6759 620 A HEAD BLOCK ASSY ACE TD...

Page 74: ...977 488 01 SPRING POWER TENSION 761 A 6750 324 A SHUTTLE S BLOCK ASSY 762 X 3944 378 1 ROLLER ASSY GUIDE 763 3 965 178 01 SPRING 764 3 969 632 04 BASE DRUM 765 A 6750 328 E SHUTTLE T BLOCK ASSY 766 3 977 501 01 PLATE LUMINOUS 767 X 3943 899 8 GROUND ASSY SHAFT 768 8 839 045 02 DRUM ASSY DZH 95A Z RP 771 A 6746 074 G ROLLER BLOCK ASSY HC 772 X 3947 255 1 ROLLER ASSY HC 773 3 975 724 07 ARM HC Ref N...

Page 75: ...ASSY PULLEY 815 3 977 510 01 BELT RUBBER 816 3 977 440 01 WASHER STOPPER 817 3 977 439 01 GEAR CAM 818 3 977 442 01 SLIDER 819 3 977 455 01 GEAR LOADING T 820 3 977 456 03 SPRING TORSION LOAD T 821 X 3947 579 1 LEVER ASSY LOADING T 822 3 977 451 01 GEAR LOADING S 823 3 977 452 01 SPRING TORSION LOAD S 824 X 3947 578 1 LEVER ASSY LOADING S 825 X 3947 576 2 CHASSIS ASSY MECHANICAL 826 3 977 468 01 S...

Page 76: ... 2K 5 1 10W R467 1 216 057 00 METAL CHIP 2 2K 5 1 10W R468 1 216 057 00 METAL CHIP 2 2K 5 1 10W R469 1 216 057 00 METAL CHIP 2 2K 5 1 10W R470 1 216 073 00 METAL CHIP 10K 5 1 10W R471 1 216 061 00 METAL CHIP 3 3K 5 1 10W R472 1 216 065 00 METAL CHIP 4 7K 5 1 10W R473 1 216 073 00 METAL CHIP 10K 5 1 10W R474 1 216 073 00 METAL CHIP 10K 5 1 10W R475 1 216 073 00 METAL CHIP 10K 5 1 10W R476 1 216 073...

Page 77: ...1 216 025 91 RES CHIP 100 5 1 10W R302 1 216 295 00 METAL CHIP 0 5 1 10W R303 1 249 417 11 CARBON 1K 5 1 4W R304 1 216 049 00 METAL CHIP 1K 5 1 10W R305 1 216 049 00 METAL CHIP 1K 5 1 10W R306 1 216 089 00 METAL CHIP 47K 5 1 10W R307 1 216 049 00 METAL CHIP 1K 5 1 10W R308 1 216 113 00 METAL CHIP 470K 5 1 10W R309 1 216 073 00 METAL CHIP 10K 5 1 10W R310 1 216 073 00 METAL CHIP 10K 5 1 10W R311 1 ...

Page 78: ...1 130 489 00 MYLAR 0 033uF 5 50V C144 1 137 441 11 FILM 0 027uF 5 50V C145 1 109 982 11 CERAMIC CHIP 1uF 10 10V C163 1 124 589 11 ELECT 47uF 20 16V C164 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C165 1 163 229 11 CERAMIC CHIP 12PF 5 50V C166 1 163 038 00 CERAMIC CHIP 0 1uF 25V C167 1 163 229 11 CERAMIC CHIP 12PF 5 50V C168 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C169 1 164 232 11 CERAMIC CHIP 0 01uF 5...

Page 79: ...ELECT 47uF 20 16V C704 1 126 933 11 ELECT 100uF 20 16V C705 1 163 038 00 CERAMIC CHIP 0 1uF 25V C706 1 164 232 11 CERAMIC CHIP 0 01uF 50V C709 1 163 127 00 CERAMIC CHIP 270PF 5 50V C710 1 126 963 11 ELECT 4 7uF 20 50V C711 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C253 1 163 251 11 CERAMIC CHIP 100PF 5 50V C254 1 163 251 11 CERAMIC CHIP 100PF 5 50V C255 1 163 259 91 CERAMIC CHIP 220PF 5 50V C257 1 16...

Page 80: ... LINE 1 IN OUT TRIMMER CT401 1 141 334 11 CAP TRIMMER 30PF VCO ADJ DIODE D102 8 719 048 26 DIODE GL528V1 D103 8 719 200 82 DIODE 11ES2 D104 8 719 200 82 DIODE 11ES2 D130 8 719 200 82 DIODE 11ES2 D141 8 719 911 19 DIODE 1SS119 D161 8 719 200 82 DIODE 11ES2 D360 8 719 109 93 DIODE RD6 2ES B2 D401 8 719 911 19 DIODE 1SS119 D402 8 719 911 19 DIODE 1SS119 D403 8 719 911 19 DIODE 1SS119 D701 8 719 109 8...

Page 81: ...414 940 21 INDUCTOR 100uH L071 1 414 940 21 INDUCTOR 100uH L081 1 414 940 21 INDUCTOR 100uH L091 1 410 687 11 INDUCTOR 1 2mH L160 1 414 934 21 INDUCTOR 10uH L202 1 414 946 21 INDUCTOR 39uH L203 1 414 946 21 INDUCTOR 39uH L205 1 414 940 21 INDUCTOR 100uH L209 1 414 942 21 INDUCTOR 220uH L301 1 414 940 21 INDUCTOR 100uH L341 1 414 940 21 INDUCTOR 100uH L402 1 414 940 21 INDUCTOR 100uH L403 1 410 506...

Page 82: ... 50 1 10W R151 1 216 081 00 METAL CHIP 22K 5 1 10W R160 1 216 073 00 METAL CHIP 10K 5 1 10W R161 1 216 073 00 METAL CHIP 10K 5 1 10W R162 1 216 073 00 METAL CHIP 10K 5 1 10W R163 1 216 073 00 METAL CHIP 10K 5 1 10W R164 1 216 073 00 METAL CHIP 10K 5 1 10W R165 1 216 049 00 METAL CHIP 1K 5 1 10W R166 1 216 057 00 METAL CHIP 2 2K 5 1 10W R167 1 249 437 11 CARBON 47K 5 1 4W R168 1 216 073 00 METAL CH...

Page 83: ...W R419 1 216 295 00 METAL CHIP 0 5 1 10W R420 1 216 295 00 METAL CHIP 0 5 1 10W R421 1 216 033 00 METAL CHIP 220 5 1 10W R422 1 216 025 91 RES CHIP 100 5 1 10W R501 1 216 045 00 METAL CHIP 680 5 1 10W R502 1 216 045 00 METAL CHIP 680 5 1 10W R503 1 216 295 00 METAL CHIP 0 5 1 10W R504 1 216 295 00 METAL CHIP 0 5 1 10W R505 1 216 295 00 METAL CHIP 0 5 1 10W R506 1 216 295 00 METAL CHIP 0 5 1 10W R5...

Page 84: ...V C023 1 163 243 11 CERAMIC CHIP 47PF 5 50V CONNECTOR CN001 1 691 183 11 CONNECTOR BOARD TO BOARD 13P DIODE D001 8 719 066 72 DIODE BB135 FERRITE BEAD FB001 1 543 813 21 FERRITE 0UH FB002 1 543 813 21 FERRITE 0UH FB003 1 543 813 21 FERRITE 0UH IC IC001 8 759 526 43 IC TDA9874H V1 118 COIL L006 1 412 945 11 INDUCTOR 3 3uH IC LINK PS001 1 576 122 21 LINK IC CCP2E10 0 4A RESISTOR R001 1 216 071 00 ME...

Page 85: ...ETAL OXIDE 33 5 3W F R609 1 215 857 11 METAL OXIDE 10 5 1W F R610 1 249 417 11 CARBON 1K 5 1 4W A 6791 642 A RJ 79 BOARD COMPLETE EZ8AS A 6791 645 A RJ 79 BOARD COMPLETE EZ8NZ A 6791 625 A RJ 79 BOARD COMPLETE ED8 EZ9 Ref No 1 000 Series CAPACITOR C952 1 119 941 91 ELECT 470uF 20 6 3V EZ8NZ C953 1 124 589 11 ELECT 47uF 20 16V EZ8NZ C961 1 124 589 11 ELECT 47uF 20 16V ED8 EZ9 C964 1 126 160 11 ELEC...

Page 86: ...BLE FLAT FMF 30 109 1 777 854 21 CORD POWER ED8 109 1 777 855 22 CORD POWER EZ8 EZ9 113 1 779 725 11 CONNECTOR BOARD TO BOARD 5P 704 1 500 144 11 HEAD FE 721 A 6759 620 A HEAD BLOCK ASSY ACE TDK 768 8 839 045 02 DRUM ASSY DZH 95A Z RP M902 1 698 971 11 MOTOR DC CAPSTAN M903 X 3947 577 1 MOTOR ASSY CAM RJ 79 SW 307 HARDWARE LIST 1 7 685 648 79 SCREW BVTP 3X12 TYPE2 IT 3 2 7 682 547 04 SCREW P 3X6 3...

Page 87: ... 128 Sony Corporation Home A V Products Company 9 921 693 11 SLV ED8 EZ8 EZ9 98H0515 1D Printed in Japan 1998 8 Published by General Engineering Dept Osaki East ...

Page 88: ......

Page 89: ......

Page 90: ......

Page 91: ......

Page 92: ......

Page 93: ......

Page 94: ......

Page 95: ......

Page 96: ......

Page 97: ......

Page 98: ......

Page 99: ......

Page 100: ......

Page 101: ......

Page 102: ......

Page 103: ......

Page 104: ......

Page 105: ......

Page 106: ......

Page 107: ......

Page 108: ......

Page 109: ......

Page 110: ......

Page 111: ......

Page 112: ......

Page 113: ......

Page 114: ......

Page 115: ......

Page 116: ......

Page 117: ......

Page 118: ......

Page 119: ......

Page 120: ......

Page 121: ......

Page 122: ......

Page 123: ......

Page 124: ......

Page 125: ......

Page 126: ......

Page 127: ......

Page 128: ......

Page 129: ......

Page 130: ......

Page 131: ......

Page 132: ......

Page 133: ......

Page 134: ......

Page 135: ......

Page 136: ......

Page 137: ......

Page 138: ......

Page 139: ......

Page 140: ......

Page 141: ......

Page 142: ......

Reviews: